5405439804 has 24 divisors (see below), whose sum is σ = 13047614160. Its totient is φ = 1739681664.

The previous prime is 5405439791. The next prime is 5405439839. The reversal of 5405439804 is 4089345045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7766089 + ... + 7766784.

It is an arithmetic number, because the mean of its divisors is an integer number (543650590).

Almost surely, 2^5405439804 is an apocalyptic number.

It is an amenable number.

5405439804 is an abundant number, since it is smaller than the sum of its proper divisors (7642174356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5405439804 is a wasteful number, since it uses less digits than its factorization.

5405439804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15532909 (or 15532907 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 5405439804 is about 73521.6961447436. The cubic root of 5405439804 is about 1754.9995594190. Note that the first 3 decimals are identical.

The spelling of 5405439804 in words is "five billion, four hundred five million, four hundred thirty-nine thousand, eight hundred four".